64 52 523 Removing and installing/replacing A/C system compressor (S63)

WARNING: This page does not describe the selected car, but rather 27 other vehicles, including the 2017 BMW M6, 2017 BMW 650i xDrive, 2017 BMW 650i, 2017 BMW 640i xDrive, and 2017 BMW 640i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

WARNING: Danger of injury!
Refrigerant circuit is under high pressure!
Observe the safety information for handling the R 134a refrigerant! . See 64 50... NOTE FOR HANDLING R134A REFRIGERANT or 64 50... SAFETY INFORMATIONS FOR HANDLING TETRAFLUORETHANE REFRIGERANT R134A
Avoid contact with refrigerant and refrigerant oil.
FOLLOW SAFETY INSTRUCTIONS FOR HANDLING REFRIGERANT OIL!

IMPORTANT: Risk of damage!
Restart engine only when A/C system has been correctly filled.
Read and comply with notes on compressor replacement . See 64 52... NOTES FOR CHANGING THE AIR CONDITIONING COMPRESSOR (AMOUNT OF REFRIGERANT OIL OF NEW AIR CONDITIONING COMPRESSOR NOT KNOWN) or 64 52... NOTES FOR CHANGING THE AIR CONDITIONING COMPRESSOR (AMOUNT OF REFRIGERANT OIL OF NEW AIR CONDITIONING COMPRESSOR KNOWN) .
FOLLOW NOTES FOR OPENING AND REPLACING PARTS IN REFRIGERANT CIRCUIT .
If Air conditioning is opened for more than 24 h:
Replace DESICCANT INSERT for air conditioning.

Necessary preliminary work:

DRAIN OFF AIR CONDITIONING SYSTEM
Remove A/C COMPRESSOR DRIVE BELT
Release HYDRAULIC STEERING GEAR from front axle support and steering shaft
Remove RIGHT INTAKE SILENCER HOUSING

Release screw (1).

Tightening torque 64 53 7AZ .

Take refrigerant line (3) off connecting piece (2).

NOTE: Refrigerant line (3) is fed out together with the air conditioning compressor.

Fig 1: Identifying Refrigerant Line, Connecting Piece And Screw

G09918886

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Tightening torque 64 53 3AZ .

Take the refrigerant line (2) of the condenser.

NOTE: Position refrigerant line (2) in direction of arrow.

This work step makes swivelling the compressor to remove the refrigerant lines easier.

Fig 2: Positioning Refrigerant Line

G08510104

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 64 52 3AZ .

Fig 3: Identifying A/C System Compressor Screws (N63)

G06886348

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Seal openings or lines on compressor with special tool 32 1 270 to prevent escape of media and dirt contamination.

NOTE: Secure compressor (5) against falling out.

Release screws (1).

Tightening torque 64 52 3AZ .

Disconnect plug connection (2).

Lower compressor (5).

Release screws (3) and (4) and remove refrigerant lines.

Fig 4: Identifying Compressor, Plug Connection, Screws

G06886349

Courtesy of BMW OF NORTH AMERICA, INC.

Tightening torque 64 52 1AZ .

Installation note:

Replace sealing rings.

Use special tool 00 9 030 to mount sealing rings without damaging them.

Carefully feed out compressor to the bottom.

Replacement:

Adjust the amount of refrigerant oil in the new compressor . See 64 52... NOTES FOR CHANGING THE AIR CONDITIONING COMPRESSOR (AMOUNT OF REFRIGERANT OIL OF NEW AIR CONDITIONING COMPRESSOR NOT KNOWN) or 64 52... NOTES FOR CHANGING THE AIR CONDITIONING COMPRESSOR (AMOUNT OF REFRIGERANT OIL OF NEW AIR CONDITIONING COMPRESSOR KNOWN)

IMPORTANT: Danger of compressor damage!
Danger of customer complaints due to reduced cooling power of the Air conditioning!
Before the installation of the new compressor, it is absolutely necessary to adjust the amount of refrigerant oil in the new compressor!
Compliance with safety information is mandatory! . See 64 52... NOTES FOR CHANGING THE AIR CONDITIONING COMPRESSOR (AMOUNT OF REFRIGERANT OIL OF NEW AIR CONDITIONING COMPRESSOR NOT KNOWN) or 64 52... NOTES FOR CHANGING THE AIR CONDITIONING COMPRESSOR (AMOUNT OF REFRIGERANT OIL OF NEW AIR CONDITIONING COMPRESSOR KNOWN)

After installation:

EVACUATE AND FILL AIR CONDITIONING SYSTEM